2003•Senlin bingchong tongxunRequires access
Experiment on the toxicity of Ludebao,a dust mixture of Bt and Abamectin against Dendrolimus punctatus in the forest
Yun Liu
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Abstract
Five concentrations of Ludebao,a biotic pesticide,were dusted against Dendrolimus punctatus in the forest.The result showed that Ludebao raw dust and light calcium carbonate mixed in the proportion of 4∶100 and 5∶100 in weight were effective and economic.Their control effect reached 92 13% and 95 23% respectively.